Como conectar ao roteador wi-fi?

[lopp]

se quando desconectado, obtenho pelo nm-tool,
...
- Device: eth2 -----------------------------------------------------------------
 Type:              802.11 WiFi
 Driver:            wl
 State:             disconnected
 Default:           no
 HW Address:        00:26:5E:8A:62:0A

 Capabilities:

 Wireless Properties
   WEP Encryption:  yes
   WPA Encryption:  yes
   WPA2 Encryption: yes

 Wireless Access Points
   Lopp (Wi-Fi):    Infra, 00:1D:1A:09:A4:CE, Freq 2452 MHz, Rate 0 Mb/s, Strength 80 WPA WPA2

que comando(s) devo executar via terminal e não em modo gráfico para obter o status:
...
- Device: eth2  [Lopp (Wi-Fi)] -------------------------------------------------
 Type:              802.11 WiFi
 Driver:            wl
 State:             connected
 Default:           yes
 HW Address:        00:26:5E:8A:62:0A

 Capabilities:
   Speed:           54 Mb/s

 Wireless Properties
   WEP Encryption:  yes
   WPA Encryption:  yes
   WPA2 Encryption: yes

 Wireless Access Points (* = current AP)
   *Lopp (Wi-Fi):   Infra, 00:1D:1A:09:A4:CE, Freq 2452 MHz, Rate 0 Mb/s, Strength 80 WPA WPA2

 IPv4 Settings:
   Address:         192.168.0.101
   Prefix:          24 (255.255.255.0)
   Gateway:         192.168.0.1

   DNS:             192.168.0.1

[zekkerj]

http://ubuntuforum-br.org/index.php/topic,87253.0.html

[lopp]

vlw sempre pronto zekkerj; obrigado!